* Support bi-directional quic communication, use the same endpoint for the quic server and client
This is needed for supporting using quic for repair
* Added comments on the bi-directional communication tests
* Removed some debug logs
* clippy issue
* Move ConnectionCache back to solana-client, and duplicate ThinClient, TpuClient there
* Dedupe thin_client modules
* Dedupe tpu_client modules
* Move TpuClient to TpuConnectionCache
* Move ThinClient to TpuConnectionCache
* Move TpuConnection and quic/udp trait implementations back to solana-client
* Remove enum_dispatch from solana-tpu-client
* Move udp-client to its own crate
* Move quic-client to its own crate
Brennan Watt
Lijun Wang
Jon Cinque
Tyera